<%@ taglib prefix="s" uri="/struts-tags"%>
<table width="100%" border="0" class="banner" style="margin-bottom:30px;"><tr><td><a href="http://acm.sdibt.edu.cn/JudgeOnline/"><font color=red>OnlineJudge</font></a></td><td><a href="toIndex.action">Home</a></td><td><a href="problem/toListProblem.action">Problems</a></td><td><a href="problem/status.action">Status</a></td><td><a href="contest/toListContest.action">Contest</a></td><td><s:if test="#session.visitor != null">[<a href="user/toUpdate.action?uid=<s:property value="#session.visitor.id" />"><s:property value="#session.visitor.username" /></a>]</s:if><s:else><a href="user/toRegister.action">Register</a></s:else></td><td><s:if test="#session.visitor != null"><a href="user/logout.action">Logout</a></s:if><s:else><a href="user/toLogin.action">Login</a></s:else></td></tr></table>
